Toshiba GR200 Series - 4.6.6 Voltage selection for line arrangement; (i) Setting example

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 816 -
4.6.6 Voltage selection for line arrangement
As shown in Figure 4.6-16, input-voltage signals are required in response to the line and bus-
bar arrangement. Incidentally, the input-voltage signals supplied by the VTs are applied to the
IED via the transformer module (VCT†); hence, the input-voltage signal should correspond
with the required relay-element. On this account, settings are provided in the SYNCHK_Ry
function.
Va →V-L1
Vb →V-L2
Vc →V-L3
Signal
nam es
Vs →V3
Vs2 →V4
SYNCHK_ Ry1
Relays for
running voltage
Relays for
incoming voltage
Schem e switches [SyncRy1-VR] etc. select a running
voltage and an incom ing voltage.
SYNCHK_ Ry2
Schem e switches [SyncRy2-VR] etc. select a running
voltage and an incom ing voltage.
Relays for
incoming voltage
Relays for
running voltage
V2a →V2-L1‡
V2b →V2-L2‡
V2c →V2-L3‡
VCT
Setting
nam es
Figure 4.6-18 Voltage signals selected using scheme switches
†Note: For the actual terminal arrangement and signals injected, see chapter Technical
description: Transformer module for AC analog input.
Figure 4.6-18 illustrates that the signals injected are distributed using scheme switches:
[SyncRy1-VR], [SyncRy1-VI], [SyncRy1-VR], and [SyncRy1-VI]. Examples below show how to
apply a voltage signal for the required relay-element.
(i) Setting example
Figure 4.6-19 depicts an example of a busbar arrangement and S43P logic programmed by the
user. In this case, only the SYNCHK_Ry1 function is used; therefore, the user need only select
the signal provided by the S43P logic for the SYNCHK_Ry1 function.